{
  "pools": {
    "A-old": {
      "servers": [ "127.0.0.1:11610" ]
    },
    "A-new": {
      "servers": [ "127.0.0.1:11611" ]
    },
    "B-old": {
      "servers": [ "127.0.0.1:11612" ]
    },
    "B-new": {
      "servers": [ "127.0.0.1:11613" ]
    }
  },
  "route": {
    "type": "FailoverWithExptimeRoute",
    "normal": {
      "type": "MigrateRoute",
      "from": "PoolRoute|A-old",
      "to": "PoolRoute|A-new",
      "start_time": 0,
      "interval": 120
    },
    "failover": {
      "type": "MigrateRoute",
      "from": "PoolRoute|B-old",
      "to": "PoolRoute|B-new",
      "start_time": 0,
      "interval": 120
    }
  }
}
